linux/drivers/media/i2c/tvp5150.c
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   1/*
   2 * tvp5150 - Texas Instruments TVP5150A/AM1 and TVP5151 video decoder driver
   3 *
   4 * Copyright (c) 2005,2006 Mauro Carvalho Chehab (mchehab@infradead.org)
   5 * This code is placed under the terms of the GNU General Public License v2
   6 */
   7
   8#include <dt-bindings/media/tvp5150.h>
   9#include <linux/i2c.h>
  10#include <linux/slab.h>
  11#include <linux/videodev2.h>
  12#include <linux/delay.h>
  13#include <linux/gpio/consumer.h>
  14#include <linux/module.h>
  15#include <media/v4l2-async.h>
  16#include <media/v4l2-device.h>
  17#include <media/v4l2-ctrls.h>
  18#include <media/v4l2-of.h>
  19#include <media/v4l2-mc.h>
  20
  21#include "tvp5150_reg.h"
  22
  23#define TVP5150_H_MAX           720U
  24#define TVP5150_V_MAX_525_60    480U
  25#define TVP5150_V_MAX_OTHERS    576U
  26#define TVP5150_MAX_CROP_LEFT   511
  27#define TVP5150_MAX_CROP_TOP    127
  28#define TVP5150_CROP_SHIFT      2
  29
  30MODULE_DESCRIPTION("Texas Instruments TVP5150A/TVP5150AM1/TVP5151 video decoder driver");
  31MODULE_AUTHOR("Mauro Carvalho Chehab");
  32MODULE_LICENSE("GPL");
  33
  34
  35static int debug;
  36module_param(debug, int, 0644);
  37MODULE_PARM_DESC(debug, "Debug level (0-2)");
  38
  39#define dprintk0(__dev, __arg...) dev_dbg_lvl(__dev, 0, 0, __arg)
  40
  41struct tvp5150 {
  42        struct v4l2_subdev sd;
  43#ifdef CONFIG_MEDIA_CONTROLLER
  44        struct media_pad pads[DEMOD_NUM_PADS];
  45        struct media_entity input_ent[TVP5150_INPUT_NUM];
  46        struct media_pad input_pad[TVP5150_INPUT_NUM];
  47#endif
  48        struct v4l2_ctrl_handler hdl;
  49        struct v4l2_rect rect;
  50
  51        v4l2_std_id norm;       /* Current set standard */
  52        u32 input;
  53        u32 output;
  54        int enable;
  55
  56        u16 dev_id;
  57        u16 rom_ver;
  58
  59        enum v4l2_mbus_type mbus_type;
  60};
  61
  62static inline struct tvp5150 *to_tvp5150(struct v4l2_subdev *sd)
  63{
  64        return container_of(sd, struct tvp5150, sd);
  65}
  66
  67static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl)
  68{
  69        return &container_of(ctrl->handler, struct tvp5150, hdl)->sd;
  70}
  71
  72static int tvp5150_read(struct v4l2_subdev *sd, unsigned char addr)
  73{
  74        struct i2c_client *c = v4l2_get_subdevdata(sd);
  75        int rc;
  76
  77        rc = i2c_smbus_read_byte_data(c, addr);
  78        if (rc < 0) {
  79                dev_err(sd->dev, "i2c i/o error: rc == %d\n", rc);
  80                return rc;
  81        }
  82
  83        dev_dbg_lvl(sd->dev, 2, debug, "tvp5150: read 0x%02x = %02x\n", addr, rc);
  84
  85        return rc;
  86}
  87
  88static int tvp5150_write(struct v4l2_subdev *sd, unsigned char addr,
  89                                 unsigned char value)
  90{
  91        struct i2c_client *c = v4l2_get_subdevdata(sd);
  92        int rc;
  93
  94        dev_dbg_lvl(sd->dev, 2, debug, "tvp5150: writing %02x %02x\n", addr, value);
  95        rc = i2c_smbus_write_byte_data(c, addr, value);
  96        if (rc < 0)
  97                dev_err(sd->dev, "i2c i/o error: rc == %d\n", rc);
  98
  99        return rc;
 100}
 101
 102static void dump_reg_range(struct v4l2_subdev *sd, char *s, u8 init,
 103                                const u8 end, int max_line)
 104{
 105        u8 buf[16];
 106        int i = 0, j, len;
 107
 108        if (max_line > 16) {
 109                dprintk0(sd->dev, "too much data to dump\n");
 110                return;
 111        }
 112
 113        for (i = init; i < end; i += max_line) {
 114                len = (end - i > max_line) ? max_line : end - i;
 115
 116                for (j = 0; j < len; j++)
 117                        buf[j] = tvp5150_read(sd, i + j);
 118
 119                dprintk0(sd->dev, "%s reg %02x = %*ph\n", s, i, len, buf);
 120        }
 121}
 122
 123static int tvp5150_log_status(struct v4l2_subdev *sd)
 124{
 125        dprintk0(sd->dev, "tvp5150: Video input source selection #1 = 0x%02x\n",
 126                tvp5150_read(sd, TVP5150_VD_IN_SRC_SEL_1));
 127        dprintk0(sd->dev, "tvp5150: Analog channel controls = 0x%02x\n",
 128                tvp5150_read(sd, TVP5150_ANAL_CHL_CTL));
 129        dprintk0(sd->dev, "tvp5150: Operation mode controls = 0x%02x\n",
 130                tvp5150_read(sd, TVP5150_OP_MODE_CTL));
 131        dprintk0(sd->dev, "tvp5150: Miscellaneous controls = 0x%02x\n",
 132                tvp5150_read(sd, TVP5150_MISC_CTL));
 133        dprintk0(sd->dev, "tvp5150: Autoswitch mask= 0x%02x\n",
 134                tvp5150_read(sd, TVP5150_AUTOSW_MSK));
 135        dprintk0(sd->dev, "tvp5150: Color killer threshold control = 0x%02x\n",
 136                tvp5150_read(sd, TVP5150_COLOR_KIL_THSH_CTL));
 137        dprintk0(sd->dev, "tvp5150: Luminance processing controls #1 #2 and #3 = %02x %02x %02x\n",
 138                tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_1),
 139                tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_2),
 140                tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_3));
 141        dprintk0(sd->dev, "tvp5150: Brightness control = 0x%02x\n",
 142                tvp5150_read(sd, TVP5150_BRIGHT_CTL));
 143        dprintk0(sd->dev, "tvp5150: Color saturation control = 0x%02x\n",
 144                tvp5150_read(sd, TVP5150_SATURATION_CTL));
 145        dprintk0(sd->dev, "tvp5150: Hue control = 0x%02x\n",
 146                tvp5150_read(sd, TVP5150_HUE_CTL));
 147        dprintk0(sd->dev, "tvp5150: Contrast control = 0x%02x\n",
 148                tvp5150_read(sd, TVP5150_CONTRAST_CTL));
 149        dprintk0(sd->dev, "tvp5150: Outputs and data rates select = 0x%02x\n",
 150                tvp5150_read(sd, TVP5150_DATA_RATE_SEL));
 151        dprintk0(sd->dev, "tvp5150: Configuration shared pins = 0x%02x\n",
 152                tvp5150_read(sd, TVP5150_CONF_SHARED_PIN));
 153        dprintk0(sd->dev, "tvp5150: Active video cropping start = 0x%02x%02x\n",
 154                tvp5150_read(sd, TVP5150_ACT_VD_CROP_ST_MSB),
 155                tvp5150_read(sd, TVP5150_ACT_VD_CROP_ST_LSB));
 156        dprintk0(sd->dev, "tvp5150: Active video cropping stop  = 0x%02x%02x\n",
 157                tvp5150_read(sd, TVP5150_ACT_VD_CROP_STP_MSB),
 158                tvp5150_read(sd, TVP5150_ACT_VD_CROP_STP_LSB));
 159        dprintk0(sd->dev, "tvp5150: Genlock/RTC = 0x%02x\n",
 160                tvp5150_read(sd, TVP5150_GENLOCK));
 161        dprintk0(sd->dev, "tvp5150: Horizontal sync start = 0x%02x\n",
 162                tvp5150_read(sd, TVP5150_HORIZ_SYNC_START));
 163        dprintk0(sd->dev, "tvp5150: Vertical blanking start = 0x%02x\n",
 164                tvp5150_read(sd, TVP5150_VERT_BLANKING_START));
 165        dprintk0(sd->dev, "tvp5150: Vertical blanking stop = 0x%02x\n",
 166                tvp5150_read(sd, TVP5150_VERT_BLANKING_STOP));
 167        dprintk0(sd->dev, "tvp5150: Chrominance processing control #1 and #2 = %02x %02x\n",
 168                tvp5150_read(sd, TVP5150_CHROMA_PROC_CTL_1),
 169                tvp5150_read(sd, TVP5150_CHROMA_PROC_CTL_2));
 170        dprintk0(sd->dev, "tvp5150: Interrupt reset register B = 0x%02x\n",
 171                tvp5150_read(sd, TVP5150_INT_RESET_REG_B));
 172        dprintk0(sd->dev, "tvp5150: Interrupt enable register B = 0x%02x\n",
 173                tvp5150_read(sd, TVP5150_INT_ENABLE_REG_B));
 174        dprintk0(sd->dev, "tvp5150: Interrupt configuration register B = 0x%02x\n",
 175                tvp5150_read(sd, TVP5150_INTT_CONFIG_REG_B));
 176        dprintk0(sd->dev, "tvp5150: Video standard = 0x%02x\n",
 177                tvp5150_read(sd, TVP5150_VIDEO_STD));
 178        dprintk0(sd->dev, "tvp5150: Chroma gain factor: Cb=0x%02x Cr=0x%02x\n",
 179                tvp5150_read(sd, TVP5150_CB_GAIN_FACT),
 180                tvp5150_read(sd, TVP5150_CR_GAIN_FACTOR));
 181        dprintk0(sd->dev, "tvp5150: Macrovision on counter = 0x%02x\n",
 182                tvp5150_read(sd, TVP5150_MACROVISION_ON_CTR));
 183        dprintk0(sd->dev, "tvp5150: Macrovision off counter = 0x%02x\n",
 184                tvp5150_read(sd, TVP5150_MACROVISION_OFF_CTR));
 185        dprintk0(sd->dev, "tvp5150: ITU-R BT.656.%d timing(TVP5150AM1 only)\n",
 186                (tvp5150_read(sd, TVP5150_REV_SELECT) & 1) ? 3 : 4);
 187        dprintk0(sd->dev, "tvp5150: Device ID = %02x%02x\n",
 188                tvp5150_read(sd, TVP5150_MSB_DEV_ID),
 189                tvp5150_read(sd, TVP5150_LSB_DEV_ID));
 190        dprintk0(sd->dev, "tvp5150: ROM version = (hex) %02x.%02x\n",
 191                tvp5150_read(sd, TVP5150_ROM_MAJOR_VER),
 192                tvp5150_read(sd, TVP5150_ROM_MINOR_VER));
 193        dprintk0(sd->dev, "tvp5150: Vertical line count = 0x%02x%02x\n",
 194                tvp5150_read(sd, TVP5150_VERT_LN_COUNT_MSB),
 195                tvp5150_read(sd, TVP5150_VERT_LN_COUNT_LSB));
 196        dprintk0(sd->dev, "tvp5150: Interrupt status register B = 0x%02x\n",
 197                tvp5150_read(sd, TVP5150_INT_STATUS_REG_B));
 198        dprintk0(sd->dev, "tvp5150: Interrupt active register B = 0x%02x\n",
 199                tvp5150_read(sd, TVP5150_INT_ACTIVE_REG_B));
 200        dprintk0(sd->dev, "tvp5150: Status regs #1 to #5 = %02x %02x %02x %02x %02x\n",
 201                tvp5150_read(sd, TVP5150_STATUS_REG_1),
 202                tvp5150_read(sd, TVP5150_STATUS_REG_2),
 203                tvp5150_read(sd, TVP5150_STATUS_REG_3),
 204                tvp5150_read(sd, TVP5150_STATUS_REG_4),
 205                tvp5150_read(sd, TVP5150_STATUS_REG_5));
 206
 207        dump_reg_range(sd, "Teletext filter 1",   TVP5150_TELETEXT_FIL1_INI,
 208                        TVP5150_TELETEXT_FIL1_END, 8);
 209        dump_reg_range(sd, "Teletext filter 2",   TVP5150_TELETEXT_FIL2_INI,
 210                        TVP5150_TELETEXT_FIL2_END, 8);
 211
 212        dprintk0(sd->dev, "tvp5150: Teletext filter enable = 0x%02x\n",
 213                tvp5150_read(sd, TVP5150_TELETEXT_FIL_ENA));
 214        dprintk0(sd->dev, "tvp5150: Interrupt status register A = 0x%02x\n",
 215                tvp5150_read(sd, TVP5150_INT_STATUS_REG_A));
 216        dprintk0(sd->dev, "tvp5150: Interrupt enable register A = 0x%02x\n",
 217                tvp5150_read(sd, TVP5150_INT_ENABLE_REG_A));
 218        dprintk0(sd->dev, "tvp5150: Interrupt configuration = 0x%02x\n",
 219                tvp5150_read(sd, TVP5150_INT_CONF));
 220        dprintk0(sd->dev, "tvp5150: VDP status register = 0x%02x\n",
 221                tvp5150_read(sd, TVP5150_VDP_STATUS_REG));
 222        dprintk0(sd->dev, "tvp5150: FIFO word count = 0x%02x\n",
 223                tvp5150_read(sd, TVP5150_FIFO_WORD_COUNT));
 224        dprintk0(sd->dev, "tvp5150: FIFO interrupt threshold = 0x%02x\n",
 225                tvp5150_read(sd, TVP5150_FIFO_INT_THRESHOLD));
 226        dprintk0(sd->dev, "tvp5150: FIFO reset = 0x%02x\n",
 227                tvp5150_read(sd, TVP5150_FIFO_RESET));
 228        dprintk0(sd->dev, "tvp5150: Line number interrupt = 0x%02x\n",
 229                tvp5150_read(sd, TVP5150_LINE_NUMBER_INT));
 230        dprintk0(sd->dev, "tvp5150: Pixel alignment register = 0x%02x%02x\n",
 231                tvp5150_read(sd, TVP5150_PIX_ALIGN_REG_HIGH),
 232                tvp5150_read(sd, TVP5150_PIX_ALIGN_REG_LOW));
 233        dprintk0(sd->dev, "tvp5150: FIFO output control = 0x%02x\n",
 234                tvp5150_read(sd, TVP5150_FIFO_OUT_CTRL));
 235        dprintk0(sd->dev, "tvp5150: Full field enable = 0x%02x\n",
 236                tvp5150_read(sd, TVP5150_FULL_FIELD_ENA));
 237        dprintk0(sd->dev, "tvp5150: Full field mode register = 0x%02x\n",
 238                tvp5150_read(sd, TVP5150_FULL_FIELD_MODE_REG));
 239
 240        dump_reg_range(sd, "CC   data",   TVP5150_CC_DATA_INI,
 241                        TVP5150_CC_DATA_END, 8);
 242
 243        dump_reg_range(sd, "WSS  data",   TVP5150_WSS_DATA_INI,
 244                        TVP5150_WSS_DATA_END, 8);
 245
 246        dump_reg_range(sd, "VPS  data",   TVP5150_VPS_DATA_INI,
 247                        TVP5150_VPS_DATA_END, 8);
 248
 249        dump_reg_range(sd, "VITC data",   TVP5150_VITC_DATA_INI,
 250                        TVP5150_VITC_DATA_END, 10);
 251
 252        dump_reg_range(sd, "Line mode",   TVP5150_LINE_MODE_INI,
 253                        TVP5150_LINE_MODE_END, 8);
 254        return 0;
 255}
 256
 257/****************************************************************************
 258                        Basic functions
 259 ****************************************************************************/
 260
 261static void tvp5150_selmux(struct v4l2_subdev *sd)
 262{
 263        int opmode = 0;
 264        struct tvp5150 *decoder = to_tvp5150(sd);
 265        int input = 0;
 266        int val;
 267
 268        /* Only tvp5150am1 and tvp5151 have signal generator support */
 269        if ((decoder->dev_id == 0x5150 && decoder->rom_ver == 0x0400) ||
 270            (decoder->dev_id == 0x5151 && decoder->rom_ver == 0x0100)) {
 271                if (!decoder->enable)
 272                        input = 8;
 273        }
 274
 275        switch (decoder->input) {
 276        case TVP5150_COMPOSITE1:
 277                input |= 2;
 278                /* fall through */
 279        case TVP5150_COMPOSITE0:
 280                break;
 281        case TVP5150_SVIDEO:
 282        default:
 283                input |= 1;
 284                break;
 285        }
 286
 287        dev_dbg_lvl(sd->dev, 1, debug, "Selecting video route: route input=%i, output=%i => tvp5150 input=%i, opmode=%i\n",
 288                        decoder->input, decoder->output,
 289                        input, opmode);
 290
 291        tvp5150_write(sd, TVP5150_OP_MODE_CTL, opmode);
 292        tvp5150_write(sd, TVP5150_VD_IN_SRC_SEL_1, input);
 293
 294        /*
 295         * Setup the FID/GLCO/VLK/HVLK and INTREQ/GPCL/VBLK output signals. For
 296         * S-Video we output the vertical lock (VLK) signal on FID/GLCO/VLK/HVLK
 297         * and set INTREQ/GPCL/VBLK to logic 0. For composite we output the
 298         * field indicator (FID) signal on FID/GLCO/VLK/HVLK and set
 299         * INTREQ/GPCL/VBLK to logic 1.
 300         */
 301        val = tvp5150_read(sd, TVP5150_MISC_CTL);
 302        if (val < 0) {
 303                dev_err(sd->dev, "%s: failed with error = %d\n", __func__, val);
 304                return;
 305        }
 306
 307        if (decoder->input == TVP5150_SVIDEO)
 308                val = (val & ~TVP5150_MISC_CTL_GPCL) | TVP5150_MISC_CTL_HVLK;
 309        else
 310                val = (val & ~TVP5150_MISC_CTL_HVLK) | TVP5150_MISC_CTL_GPCL;
 311        tvp5150_write(sd, TVP5150_MISC_CTL, val);
 312};
 313
 314struct i2c_reg_value {
 315        unsigned char reg;
 316        unsigned char value;
 317};
 318
 319/* Default values as sugested at TVP5150AM1 datasheet */
 320static const struct i2c_reg_value tvp5150_init_default[] = {
 321        { /* 0x00 */
 322                TVP5150_VD_IN_SRC_SEL_1,0x00
 323        },
 324        { /* 0x01 */
 325                TVP5150_ANAL_CHL_CTL,0x15
 326        },
 327        { /* 0x02 */
 328                TVP5150_OP_MODE_CTL,0x00
 329        },
 330        { /* 0x03 */
 331                TVP5150_MISC_CTL,0x01
 332        },
 333        { /* 0x06 */
 334                TVP5150_COLOR_KIL_THSH_CTL,0x10
 335        },
 336        { /* 0x07 */
 337                TVP5150_LUMA_PROC_CTL_1,0x60
 338        },
 339        { /* 0x08 */
 340                TVP5150_LUMA_PROC_CTL_2,0x00
 341        },
 342        { /* 0x09 */
 343                TVP5150_BRIGHT_CTL,0x80
 344        },
 345        { /* 0x0a */
 346                TVP5150_SATURATION_CTL,0x80
 347        },
 348        { /* 0x0b */
 349                TVP5150_HUE_CTL,0x00
 350        },
 351        { /* 0x0c */
 352                TVP5150_CONTRAST_CTL,0x80
 353        },
 354        { /* 0x0d */
 355                TVP5150_DATA_RATE_SEL,0x47
 356        },
 357        { /* 0x0e */
 358                TVP5150_LUMA_PROC_CTL_3,0x00
 359        },
 360        { /* 0x0f */
 361                TVP5150_CONF_SHARED_PIN,0x08
 362        },
 363        { /* 0x11 */
 364                TVP5150_ACT_VD_CROP_ST_MSB,0x00
 365        },
 366        { /* 0x12 */
 367                TVP5150_ACT_VD_CROP_ST_LSB,0x00
 368        },
 369        { /* 0x13 */
 370                TVP5150_ACT_VD_CROP_STP_MSB,0x00
 371        },
 372        { /* 0x14 */
 373                TVP5150_ACT_VD_CROP_STP_LSB,0x00
 374        },
 375        { /* 0x15 */
 376                TVP5150_GENLOCK,0x01
 377        },
 378        { /* 0x16 */
 379                TVP5150_HORIZ_SYNC_START,0x80
 380        },
 381        { /* 0x18 */
 382                TVP5150_VERT_BLANKING_START,0x00
 383        },
 384        { /* 0x19 */
 385                TVP5150_VERT_BLANKING_STOP,0x00
 386        },
 387        { /* 0x1a */
 388                TVP5150_CHROMA_PROC_CTL_1,0x0c
 389        },
 390        { /* 0x1b */
 391                TVP5150_CHROMA_PROC_CTL_2,0x14
 392        },
 393        { /* 0x1c */
 394                TVP5150_INT_RESET_REG_B,0x00
 395        },
 396        { /* 0x1d */
 397                TVP5150_INT_ENABLE_REG_B,0x00
 398        },
 399        { /* 0x1e */
 400                TVP5150_INTT_CONFIG_REG_B,0x00
 401        },
 402        { /* 0x28 */
 403                TVP5150_VIDEO_STD,0x00
 404        },
 405        { /* 0x2e */
 406                TVP5150_MACROVISION_ON_CTR,0x0f
 407        },
 408        { /* 0x2f */
 409                TVP5150_MACROVISION_OFF_CTR,0x01
 410        },
 411        { /* 0xbb */
 412                TVP5150_TELETEXT_FIL_ENA,0x00
 413        },
 414        { /* 0xc0 */
 415                TVP5150_INT_STATUS_REG_A,0x00
 416        },
 417        { /* 0xc1 */
 418                TVP5150_INT_ENABLE_REG_A,0x00
 419        },
 420        { /* 0xc2 */
 421                TVP5150_INT_CONF,0x04
 422        },
 423        { /* 0xc8 */
 424                TVP5150_FIFO_INT_THRESHOLD,0x80
 425        },
 426        { /* 0xc9 */
 427                TVP5150_FIFO_RESET,0x00
 428        },
 429        { /* 0xca */
 430                TVP5150_LINE_NUMBER_INT,0x00
 431        },
 432        { /* 0xcb */
 433                TVP5150_PIX_ALIGN_REG_LOW,0x4e
 434        },
 435        { /* 0xcc */
 436                TVP5150_PIX_ALIGN_REG_HIGH,0x00
 437        },
 438        { /* 0xcd */
 439                TVP5150_FIFO_OUT_CTRL,0x01
 440        },
 441        { /* 0xcf */
 442                TVP5150_FULL_FIELD_ENA,0x00
 443        },
 444        { /* 0xd0 */
 445                TVP5150_LINE_MODE_INI,0x00
 446        },
 447        { /* 0xfc */
 448                TVP5150_FULL_FIELD_MODE_REG,0x7f
 449        },
 450        { /* end of data */
 451                0xff,0xff
 452        }
 453};
 454
 455/* Default values as sugested at TVP5150AM1 datasheet */
 456static const struct i2c_reg_value tvp5150_init_enable[] = {
 457        {
 458                TVP5150_CONF_SHARED_PIN, 2
 459        },{     /* Automatic offset and AGC enabled */
 460                TVP5150_ANAL_CHL_CTL, 0x15
 461        },{     /* Activate YCrCb output 0x9 or 0xd ? */
 462                TVP5150_MISC_CTL, TVP5150_MISC_CTL_GPCL |
 463                                  TVP5150_MISC_CTL_INTREQ_OE |
 464                                  TVP5150_MISC_CTL_YCBCR_OE |
 465                                  TVP5150_MISC_CTL_SYNC_OE |
 466                                  TVP5150_MISC_CTL_VBLANK |
 467                                  TVP5150_MISC_CTL_CLOCK_OE,
 468        },{     /* Activates video std autodetection for all standards */
 469                TVP5150_AUTOSW_MSK, 0x0
 470        },{     /* Default format: 0x47. For 4:2:2: 0x40 */
 471                TVP5150_DATA_RATE_SEL, 0x47
 472        },{
 473                TVP5150_CHROMA_PROC_CTL_1, 0x0c
 474        },{
 475                TVP5150_CHROMA_PROC_CTL_2, 0x54
 476        },{     /* Non documented, but initialized on WinTV USB2 */
 477                0x27, 0x20
 478        },{
 479                0xff,0xff
 480        }
 481};
 482
 483struct tvp5150_vbi_type {
 484        unsigned int vbi_type;
 485        unsigned int ini_line;
 486        unsigned int end_line;
 487        unsigned int by_field :1;
 488};
 489
 490struct i2c_vbi_ram_value {
 491        u16 reg;
 492        struct tvp5150_vbi_type type;
 493        unsigned char values[16];
 494};
 495
 496/* This struct have the values for each supported VBI Standard
 497 * by
 498 tvp5150_vbi_types should follow the same order as vbi_ram_default
 499 * value 0 means rom position 0x10, value 1 means rom position 0x30
 500 * and so on. There are 16 possible locations from 0 to 15.
 501 */
 502
 503static struct i2c_vbi_ram_value vbi_ram_default[] =
 504{
 505        /* FIXME: Current api doesn't handle all VBI types, those not
 506           yet supported are placed under #if 0 */
 507#if 0
 508        {0x010, /* Teletext, SECAM, WST System A */
 509                {V4L2_SLICED_TELETEXT_SECAM,6,23,1},
 510                { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x26,
 511                  0xe6, 0xb4, 0x0e, 0x00, 0x00, 0x00, 0x10, 0x00 }
 512        },
 513#endif
 514        {0x030, /* Teletext, PAL, WST System B */
 515                {V4L2_SLICED_TELETEXT_B,6,22,1},
 516                { 0xaa, 0xaa, 0xff, 0xff, 0x27, 0x2e, 0x20, 0x2b,
 517                  0xa6, 0x72, 0x10, 0x00, 0x00, 0x00, 0x10, 0x00 }
 518        },
 519#if 0
 520        {0x050, /* Teletext, PAL, WST System C */
 521                {V4L2_SLICED_TELETEXT_PAL_C,6,22,1},
 522                { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x22,
 523                  0xa6, 0x98, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 }
 524        },
 525        {0x070, /* Teletext, NTSC, WST System B */
 526                {V4L2_SLICED_TELETEXT_NTSC_B,10,21,1},
 527                { 0xaa, 0xaa, 0xff, 0xff, 0x27, 0x2e, 0x20, 0x23,
 528                  0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 }
 529        },
 530        {0x090, /* Tetetext, NTSC NABTS System C */
 531                {V4L2_SLICED_TELETEXT_NTSC_C,10,21,1},
 532                { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x22,
 533                  0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x15, 0x00 }
 534        },
 535        {0x0b0, /* Teletext, NTSC-J, NABTS System D */
 536                {V4L2_SLICED_TELETEXT_NTSC_D,10,21,1},
 537                { 0xaa, 0xaa, 0xff, 0xff, 0xa7, 0x2e, 0x20, 0x23,
 538                  0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 }
 539        },
 540        {0x0d0, /* Closed Caption, PAL/SECAM */
 541                {V4L2_SLICED_CAPTION_625,22,22,1},
 542                { 0xaa, 0x2a, 0xff, 0x3f, 0x04, 0x51, 0x6e, 0x02,
 543                  0xa6, 0x7b, 0x09, 0x00, 0x00, 0x00, 0x27, 0x00 }
 544        },
 545#endif
 546        {0x0f0, /* Closed Caption, NTSC */
 547                {V4L2_SLICED_CAPTION_525,21,21,1},
 548                { 0xaa, 0x2a, 0xff, 0x3f, 0x04, 0x51, 0x6e, 0x02,
 549                  0x69, 0x8c, 0x09, 0x00, 0x00, 0x00, 0x27, 0x00 }
 550        },
 551        {0x110, /* Wide Screen Signal, PAL/SECAM */
 552                {V4L2_SLICED_WSS_625,23,23,1},
 553                { 0x5b, 0x55, 0xc5, 0xff, 0x00, 0x71, 0x6e, 0x42,
 554                  0xa6, 0xcd, 0x0f, 0x00, 0x00, 0x00, 0x3a, 0x00 }
 555        },
 556#if 0
 557        {0x130, /* Wide Screen Signal, NTSC C */
 558                {V4L2_SLICED_WSS_525,20,20,1},
 559                { 0x38, 0x00, 0x3f, 0x00, 0x00, 0x71, 0x6e, 0x43,
 560                  0x69, 0x7c, 0x08, 0x00, 0x00, 0x00, 0x39, 0x00 }
 561        },
 562        {0x150, /* Vertical Interval Timecode (VITC), PAL/SECAM */
 563                {V4l2_SLICED_VITC_625,6,22,0},
 564                { 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0x6d, 0x49,
 565                  0xa6, 0x85, 0x08, 0x00, 0x00, 0x00, 0x4c, 0x00 }
 566        },
 567        {0x170, /* Vertical Interval Timecode (VITC), NTSC */
 568                {V4l2_SLICED_VITC_525,10,20,0},
 569                { 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0x6d, 0x49,
 570                  0x69, 0x94, 0x08, 0x00, 0x00, 0x00, 0x4c, 0x00 }
 571        },
 572#endif
 573        {0x190, /* Video Program System (VPS), PAL */
 574                {V4L2_SLICED_VPS,16,16,0},
 575                { 0xaa, 0xaa, 0xff, 0xff, 0xba, 0xce, 0x2b, 0x0d,
 576                  0xa6, 0xda, 0x0b, 0x00, 0x00, 0x00, 0x60, 0x00 }
 577        },
 578        /* 0x1d0 User programmable */
 579
 580        /* End of struct */
 581        { (u16)-1 }
 582};
 583
 584static int tvp5150_write_inittab(struct v4l2_subdev *sd,
 585                                const struct i2c_reg_value *regs)
 586{
 587        while (regs->reg != 0xff) {
 588                tvp5150_write(sd, regs->reg, regs->value);
 589                regs++;
 590        }
 591        return 0;
 592}
 593
 594static int tvp5150_vdp_init(struct v4l2_subdev *sd,
 595                                const struct i2c_vbi_ram_value *regs)
 596{
 597        unsigned int i;
 598
 599        /* Disable Full Field */
 600        tvp5150_write(sd, TVP5150_FULL_FIELD_ENA, 0);
 601
 602        /* Before programming, Line mode should be at 0xff */
 603        for (i = TVP5150_LINE_MODE_INI; i <= TVP5150_LINE_MODE_END; i++)
 604                tvp5150_write(sd, i, 0xff);
 605
 606        /* Load Ram Table */
 607        while (regs->reg != (u16)-1) {
 608                tvp5150_write(sd, TVP5150_CONF_RAM_ADDR_HIGH, regs->reg >> 8);
 609                tvp5150_write(sd, TVP5150_CONF_RAM_ADDR_LOW, regs->reg);
 610
 611                for (i = 0; i < 16; i++)
 612                        tvp5150_write(sd, TVP5150_VDP_CONF_RAM_DATA, regs->values[i]);
 613
 614                regs++;
 615        }
 616        return 0;
 617}
 618
 619/* Fills VBI capabilities based on i2c_vbi_ram_value struct */
 620static int tvp5150_g_sliced_vbi_cap(struct v4l2_subdev *sd,
 621                                struct v4l2_sliced_vbi_cap *cap)
 622{
 623        const struct i2c_vbi_ram_value *regs = vbi_ram_default;
 624        int line;
 625
 626        dev_dbg_lvl(sd->dev, 1, debug, "g_sliced_vbi_cap\n");
 627        memset(cap, 0, sizeof *cap);
 628
 629        while (regs->reg != (u16)-1 ) {
 630                for (line=regs->type.ini_line;line<=regs->type.end_line;line++) {
 631                        cap->service_lines[0][line] |= regs->type.vbi_type;
 632                }
 633                cap->service_set |= regs->type.vbi_type;
 634
 635                regs++;
 636        }
 637        return 0;
 638}
 639
 640/* Set vbi processing
 641 * type - one of tvp5150_vbi_types
 642 * line - line to gather data
 643 * fields: bit 0 field1, bit 1, field2
 644 * flags (default=0xf0) is a bitmask, were set means:
 645 *      bit 7: enable filtering null bytes on CC
 646 *      bit 6: send data also to FIFO
 647 *      bit 5: don't allow data with errors on FIFO
 648 *      bit 4: enable ECC when possible
 649 * pix_align = pix alignment:
 650 *      LSB = field1
 651 *      MSB = field2
 652 */
 653static int tvp5150_set_vbi(struct v4l2_subdev *sd,
 654                        const struct i2c_vbi_ram_value *regs,
 655                        unsigned int type,u8 flags, int line,
 656                        const int fields)
 657{
 658        struct tvp5150 *decoder = to_tvp5150(sd);
 659        v4l2_std_id std = decoder->norm;
 660        u8 reg;
 661        int pos=0;
 662
 663        if (std == V4L2_STD_ALL) {
 664                dev_err(sd->dev, "VBI can't be configured without knowing number of lines\n");
 665                return 0;
 666        } else if (std & V4L2_STD_625_50) {
 667                /* Don't follow NTSC Line number convension */
 668                line += 3;
 669        }
 670
 671        if (line<6||line>27)
 672                return 0;
 673
 674        while (regs->reg != (u16)-1 ) {
 675                if ((type & regs->type.vbi_type) &&
 676                    (line>=regs->type.ini_line) &&
 677                    (line<=regs->type.end_line)) {
 678                        type=regs->type.vbi_type;
 679                        break;
 680                }
 681
 682                regs++;
 683                pos++;
 684        }
 685        if (regs->reg == (u16)-1)
 686                return 0;
 687
 688        type=pos | (flags & 0xf0);
 689        reg=((line-6)<<1)+TVP5150_LINE_MODE_INI;
 690
 691        if (fields&1) {
 692                tvp5150_write(sd, reg, type);
 693        }
 694
 695        if (fields&2) {
 696                tvp5150_write(sd, reg+1, type);
 697        }
 698
 699        return type;
 700}
 701
 702static int tvp5150_get_vbi(struct v4l2_subdev *sd,
 703                        const struct i2c_vbi_ram_value *regs, int line)
 704{
 705        struct tvp5150 *decoder = to_tvp5150(sd);
 706        v4l2_std_id std = decoder->norm;
 707        u8 reg;
 708        int pos, type = 0;
 709        int i, ret = 0;
 710
 711        if (std == V4L2_STD_ALL) {
 712                dev_err(sd->dev, "VBI can't be configured without knowing number of lines\n");
 713                return 0;
 714        } else if (std & V4L2_STD_625_50) {
 715                /* Don't follow NTSC Line number convension */
 716                line += 3;
 717        }
 718
 719        if (line < 6 || line > 27)
 720                return 0;
 721
 722        reg = ((line - 6) << 1) + TVP5150_LINE_MODE_INI;
 723
 724        for (i = 0; i <= 1; i++) {
 725                ret = tvp5150_read(sd, reg + i);
 726                if (ret < 0) {
 727                        dev_err(sd->dev, "%s: failed with error = %d\n",
 728                                 __func__, ret);
 729                        return 0;
 730                }
 731                pos = ret & 0x0f;
 732                if (pos < 0x0f)
 733                        type |= regs[pos].type.vbi_type;
 734        }
 735
 736        return type;
 737}
 738
 739static int tvp5150_set_std(struct v4l2_subdev *sd, v4l2_std_id std)
 740{
 741        struct tvp5150 *decoder = to_tvp5150(sd);
 742        int fmt = 0;
 743
 744        decoder->norm = std;
 745
 746        /* First tests should be against specific std */
 747
 748        if (std == V4L2_STD_NTSC_443) {
 749                fmt = VIDEO_STD_NTSC_4_43_BIT;
 750        } else if (std == V4L2_STD_PAL_M) {
 751                fmt = VIDEO_STD_PAL_M_BIT;
 752        } else if (std == V4L2_STD_PAL_N || std == V4L2_STD_PAL_Nc) {
 753                fmt = VIDEO_STD_PAL_COMBINATION_N_BIT;
 754        } else {
 755                /* Then, test against generic ones */
 756                if (std & V4L2_STD_NTSC)
 757                        fmt = VIDEO_STD_NTSC_MJ_BIT;
 758                else if (std & V4L2_STD_PAL)
 759                        fmt = VIDEO_STD_PAL_BDGHIN_BIT;
 760                else if (std & V4L2_STD_SECAM)
 761                        fmt = VIDEO_STD_SECAM_BIT;
 762        }
 763
 764        dev_dbg_lvl(sd->dev, 1, debug, "Set video std register to %d.\n", fmt);
 765        tvp5150_write(sd, TVP5150_VIDEO_STD, fmt);
 766        return 0;
 767}
 768
 769static int tvp5150_s_std(struct v4l2_subdev *sd, v4l2_std_id std)
 770{
 771        struct tvp5150 *decoder = to_tvp5150(sd);
 772
 773        if (decoder->norm == std)
 774                return 0;
 775
 776        /* Change cropping height limits */
 777        if (std & V4L2_STD_525_60)
 778                decoder->rect.height = TVP5150_V_MAX_525_60;
 779        else
 780                decoder->rect.height = TVP5150_V_MAX_OTHERS;
 781
 782
 783        return tvp5150_set_std(sd, std);
 784}
 785
 786static int tvp5150_reset(struct v4l2_subdev *sd, u32 val)
 787{
 788        struct tvp5150 *decoder = to_tvp5150(sd);
 789
 790        /* Initializes TVP5150 to its default values */
 791        tvp5150_write_inittab(sd, tvp5150_init_default);
 792
 793        /* Initializes VDP registers */
 794        tvp5150_vdp_init(sd, vbi_ram_default);
 795
 796        /* Selects decoder input */
 797        tvp5150_selmux(sd);
 798
 799        /* Initializes TVP5150 to stream enabled values */
 800        tvp5150_write_inittab(sd, tvp5150_init_enable);
 801
 802        /* Initialize image preferences */
 803        v4l2_ctrl_handler_setup(&decoder->hdl);
 804
 805        tvp5150_set_std(sd, decoder->norm);
 806
 807        if (decoder->mbus_type == V4L2_MBUS_PARALLEL)
 808                tvp5150_write(sd, TVP5150_DATA_RATE_SEL, 0x40);
 809
 810        return 0;
 811};
 812
 813static int tvp5150_s_ctrl(struct v4l2_ctrl *ctrl)
 814{
 815        struct v4l2_subdev *sd = to_sd(ctrl);
 816        struct tvp5150 *decoder = to_tvp5150(sd);
 817
 818        switch (ctrl->id) {
 819        case V4L2_CID_BRIGHTNESS:
 820                tvp5150_write(sd, TVP5150_BRIGHT_CTL, ctrl->val);
 821                return 0;
 822        case V4L2_CID_CONTRAST:
 823                tvp5150_write(sd, TVP5150_CONTRAST_CTL, ctrl->val);
 824                return 0;
 825        case V4L2_CID_SATURATION:
 826                tvp5150_write(sd, TVP5150_SATURATION_CTL, ctrl->val);
 827                return 0;
 828        case V4L2_CID_HUE:
 829                tvp5150_write(sd, TVP5150_HUE_CTL, ctrl->val);
 830                break;
 831        case V4L2_CID_TEST_PATTERN:
 832                decoder->enable = ctrl->val ? false : true;
 833                tvp5150_selmux(sd);
 834                return 0;
 835        }
 836        return -EINVAL;
 837}
 838
 839static v4l2_std_id tvp5150_read_std(struct v4l2_subdev *sd)
 840{
 841        int val = tvp5150_read(sd, TVP5150_STATUS_REG_5);
 842
 843        switch (val & 0x0F) {
 844        case 0x01:
 845                return V4L2_STD_NTSC;
 846        case 0x03:
 847                return V4L2_STD_PAL;
 848        case 0x05:
 849                return V4L2_STD_PAL_M;
 850        case 0x07:
 851                return V4L2_STD_PAL_N | V4L2_STD_PAL_Nc;
 852        case 0x09:
 853                return V4L2_STD_NTSC_443;
 854        case 0xb:
 855                return V4L2_STD_SECAM;
 856        default:
 857                return V4L2_STD_UNKNOWN;
 858        }
 859}
 860
 861static int tvp5150_fill_fmt(struct v4l2_subdev *sd,
 862                struct v4l2_subdev_pad_config *cfg,
 863                struct v4l2_subdev_format *format)
 864{
 865        struct v4l2_mbus_framefmt *f;
 866        struct tvp5150 *decoder = to_tvp5150(sd);
 867
 868        if (!format || format->pad)
 869                return -EINVAL;
 870
 871        f = &format->format;
 872
 873        f->width = decoder->rect.width;
 874        f->height = decoder->rect.height / 2;
 875
 876        f->code = MEDIA_BUS_FMT_UYVY8_2X8;
 877        f->field = V4L2_FIELD_ALTERNATE;
 878        f->colorspace = V4L2_COLORSPACE_SMPTE170M;
 879
 880        dev_dbg_lvl(sd->dev, 1, debug, "width = %d, height = %d\n", f->width,
 881                        f->height);
 882        return 0;
 883}
 884
 885static int tvp5150_set_selection(struct v4l2_subdev *sd,
 886                                 struct v4l2_subdev_pad_config *cfg,
 887                                 struct v4l2_subdev_selection *sel)
 888{
 889        struct tvp5150 *decoder = to_tvp5150(sd);
 890        struct v4l2_rect rect = sel->r;
 891        v4l2_std_id std;
 892        int hmax;
 893
 894        if (sel->which != V4L2_SUBDEV_FORMAT_ACTIVE ||
 895            sel->target != V4L2_SEL_TGT_CROP)
 896                return -EINVAL;
 897
 898        dev_dbg_lvl(sd->dev, 1, debug, "%s left=%d, top=%d, width=%d, height=%d\n",
 899                __func__, rect.left, rect.top, rect.width, rect.height);
 900
 901        /* tvp5150 has some special limits */
 902        rect.left = clamp(rect.left, 0, TVP5150_MAX_CROP_LEFT);
 903        rect.width = clamp_t(unsigned int, rect.width,
 904                             TVP5150_H_MAX - TVP5150_MAX_CROP_LEFT - rect.left,
 905                             TVP5150_H_MAX - rect.left);
 906        rect.top = clamp(rect.top, 0, TVP5150_MAX_CROP_TOP);
 907
 908        /* Calculate height based on current standard */
 909        if (decoder->norm == V4L2_STD_ALL)
 910                std = tvp5150_read_std(sd);
 911        else
 912                std = decoder->norm;
 913
 914        if (std & V4L2_STD_525_60)
 915                hmax = TVP5150_V_MAX_525_60;
 916        else
 917                hmax = TVP5150_V_MAX_OTHERS;
 918
 919        rect.height = clamp_t(unsigned int, rect.height,
 920                              hmax - TVP5150_MAX_CROP_TOP - rect.top,
 921                              hmax - rect.top);
 922
 923        tvp5150_write(sd, TVP5150_VERT_BLANKING_START, rect.top);
 924        tvp5150_write(sd, TVP5150_VERT_BLANKING_STOP,
 925                      rect.top + rect.height - hmax);
 926        tvp5150_write(sd, TVP5150_ACT_VD_CROP_ST_MSB,
 927                      rect.left >> TVP5150_CROP_SHIFT);
 928        tvp5150_write(sd, TVP5150_ACT_VD_CROP_ST_LSB,
 929                      rect.left | (1 << TVP5150_CROP_SHIFT));
 930        tvp5150_write(sd, TVP5150_ACT_VD_CROP_STP_MSB,
 931                      (rect.left + rect.width - TVP5150_MAX_CROP_LEFT) >>
 932                      TVP5150_CROP_SHIFT);
 933        tvp5150_write(sd, TVP5150_ACT_VD_CROP_STP_LSB,
 934                      rect.left + rect.width - TVP5150_MAX_CROP_LEFT);
 935
 936        decoder->rect = rect;
 937
 938        return 0;
 939}
 940
 941static int tvp5150_get_selection(struct v4l2_subdev *sd,
 942                                 struct v4l2_subdev_pad_config *cfg,
 943                                 struct v4l2_subdev_selection *sel)
 944{
 945        struct tvp5150 *decoder = container_of(sd, struct tvp5150, sd);
 946        v4l2_std_id std;
 947
 948        if (sel->which != V4L2_SUBDEV_FORMAT_ACTIVE)
 949                return -EINVAL;
 950
 951        switch (sel->target) {
 952        case V4L2_SEL_TGT_CROP_BOUNDS:
 953        case V4L2_SEL_TGT_CROP_DEFAULT:
 954                sel->r.left = 0;
 955                sel->r.top = 0;
 956                sel->r.width = TVP5150_H_MAX;
 957
 958                /* Calculate height based on current standard */
 959                if (decoder->norm == V4L2_STD_ALL)
 960                        std = tvp5150_read_std(sd);
 961                else
 962                        std = decoder->norm;
 963                if (std & V4L2_STD_525_60)
 964                        sel->r.height = TVP5150_V_MAX_525_60;
 965                else
 966                        sel->r.height = TVP5150_V_MAX_OTHERS;
 967                return 0;
 968        case V4L2_SEL_TGT_CROP:
 969                sel->r = decoder->rect;
 970                return 0;
 971        default:
 972                return -EINVAL;
 973        }
 974}
 975
 976static int tvp5150_g_mbus_config(struct v4l2_subdev *sd,
 977                                 struct v4l2_mbus_config *cfg)
 978{
 979        struct tvp5150 *decoder = to_tvp5150(sd);
 980
 981        cfg->type = decoder->mbus_type;
 982        cfg->flags = V4L2_MBUS_MASTER | V4L2_MBUS_PCLK_SAMPLE_RISING
 983                   | V4L2_MBUS_FIELD_EVEN_LOW | V4L2_MBUS_DATA_ACTIVE_HIGH;
 984
 985        return 0;
 986}
 987
 988/****************************************************************************
 989                        V4L2 subdev pad ops
 990 ****************************************************************************/
 991static int tvp5150_enum_mbus_code(struct v4l2_subdev *sd,
 992                struct v4l2_subdev_pad_config *cfg,
 993                struct v4l2_subdev_mbus_code_enum *code)
 994{
 995        if (code->pad || code->index)
 996                return -EINVAL;
 997
 998        code->code = MEDIA_BUS_FMT_UYVY8_2X8;
 999        return 0;
1000}
1001
1002static int tvp5150_enum_frame_size(struct v4l2_subdev *sd,
1003                                   struct v4l2_subdev_pad_config *cfg,
1004                                   struct v4l2_subdev_frame_size_enum *fse)
1005{
1006        struct tvp5150 *decoder = to_tvp5150(sd);
1007
1008        if (fse->index >= 8 || fse->code != MEDIA_BUS_FMT_UYVY8_2X8)
1009                return -EINVAL;
1010
1011        fse->code = MEDIA_BUS_FMT_UYVY8_2X8;
1012        fse->min_width = decoder->rect.width;
1013        fse->max_width = decoder->rect.width;
1014        fse->min_height = decoder->rect.height / 2;
1015        fse->max_height = decoder->rect.height / 2;
1016
1017        return 0;
1018}
1019
1020/****************************************************************************
1021                        Media entity ops
1022 ****************************************************************************/
1023
1024#ifdef CONFIG_MEDIA_CONTROLLER
1025static int tvp5150_link_setup(struct media_entity *entity,
1026                              const struct media_pad *local,
1027                              const struct media_pad *remote, u32 flags)
1028{
1029        struct v4l2_subdev *sd = media_entity_to_v4l2_subdev(entity);
1030        struct tvp5150 *decoder = to_tvp5150(sd);
1031        int i;
1032
1033        for (i = 0; i < TVP5150_INPUT_NUM; i++) {
1034                if (remote->entity == &decoder->input_ent[i])
1035                        break;
1036        }
1037
1038        /* Do nothing for entities that are not input connectors */
1039        if (i == TVP5150_INPUT_NUM)
1040                return 0;
1041
1042        decoder->input = i;
1043
1044        tvp5150_selmux(sd);
1045
1046        return 0;
1047}
1048
1049static const struct media_entity_operations tvp5150_sd_media_ops = {
1050        .link_setup = tvp5150_link_setup,
1051};
1052#endif
1053
1054/****************************************************************************
1055                        I2C Command
1056 ****************************************************************************/
1057
1058static int tvp5150_s_stream(struct v4l2_subdev *sd, int enable)
1059{
1060        struct tvp5150 *decoder = to_tvp5150(sd);
1061        int val;
1062
1063        /* Enable or disable the video output signals. */
1064        val = tvp5150_read(sd, TVP5150_MISC_CTL);
1065        if (val < 0)
1066                return val;
1067
1068        val &= ~(TVP5150_MISC_CTL_YCBCR_OE | TVP5150_MISC_CTL_SYNC_OE |
1069                 TVP5150_MISC_CTL_CLOCK_OE);
1070
1071        if (enable) {
1072                /*
1073                 * Enable the YCbCr and clock outputs. In discrete sync mode
1074                 * (non-BT.656) additionally enable the the sync outputs.
1075                 */
1076                val |= TVP5150_MISC_CTL_YCBCR_OE | TVP5150_MISC_CTL_CLOCK_OE;
1077                if (decoder->mbus_type == V4L2_MBUS_PARALLEL)
1078                        val |= TVP5150_MISC_CTL_SYNC_OE;
1079        }
1080
1081        tvp5150_write(sd, TVP5150_MISC_CTL, val);
1082
1083        return 0;
1084}
1085
1086static int tvp5150_s_routing(struct v4l2_subdev *sd,
1087                             u32 input, u32 output, u32 config)
1088{
1089        struct tvp5150 *decoder = to_tvp5150(sd);
1090
1091        decoder->input = input;
1092        decoder->output = output;
1093
1094        if (output == TVP5150_BLACK_SCREEN)
1095                decoder->enable = false;
1096        else
1097                decoder->enable = true;
1098
1099        tvp5150_selmux(sd);
1100        return 0;
1101}
1102
1103static int tvp5150_s_raw_fmt(struct v4l2_subdev *sd, struct v4l2_vbi_format *fmt)
1104{
1105        /* this is for capturing 36 raw vbi lines
1106           if there's a way to cut off the beginning 2 vbi lines
1107           with the tvp5150 then the vbi line count could be lowered
1108           to 17 lines/field again, although I couldn't find a register
1109           which could do that cropping */
1110        if (fmt->sample_format == V4L2_PIX_FMT_GREY)
1111                tvp5150_write(sd, TVP5150_LUMA_PROC_CTL_1, 0x70);
1112        if (fmt->count[0] == 18 && fmt->count[1] == 18) {
1113                tvp5150_write(sd, TVP5150_VERT_BLANKING_START, 0x00);
1114                tvp5150_write(sd, TVP5150_VERT_BLANKING_STOP, 0x01);
1115        }
1116        return 0;
1117}
1118
1119static int tvp5150_s_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *svbi)
1120{
1121        int i;
1122
1123        if (svbi->service_set != 0) {
1124                for (i = 0; i <= 23; i++) {
1125                        svbi->service_lines[1][i] = 0;
1126                        svbi->service_lines[0][i] =
1127                                tvp5150_set_vbi(sd, vbi_ram_default,
1128                                       svbi->service_lines[0][i], 0xf0, i, 3);
1129                }
1130                /* Enables FIFO */
1131                tvp5150_write(sd, TVP5150_FIFO_OUT_CTRL, 1);
1132        } else {
1133                /* Disables FIFO*/
1134                tvp5150_write(sd, TVP5150_FIFO_OUT_CTRL, 0);
1135
1136                /* Disable Full Field */
1137                tvp5150_write(sd, TVP5150_FULL_FIELD_ENA, 0);
1138
1139                /* Disable Line modes */
1140                for (i = TVP5150_LINE_MODE_INI; i <= TVP5150_LINE_MODE_END; i++)
1141                        tvp5150_write(sd, i, 0xff);
1142        }
1143        return 0;
1144}
1145
1146static int tvp5150_g_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *svbi)
1147{
1148        int i, mask = 0;
1149
1150        memset(svbi->service_lines, 0, sizeof(svbi->service_lines));
1151
1152        for (i = 0; i <= 23; i++) {
1153                svbi->service_lines[0][i] =
1154                        tvp5150_get_vbi(sd, vbi_ram_default, i);
1155                mask |= svbi->service_lines[0][i];
1156        }
1157        svbi->service_set = mask;
1158        return 0;
1159}
1160
1161#ifdef CONFIG_VIDEO_ADV_DEBUG
1162static int tvp5150_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg)
1163{
1164        int res;
1165
1166        res = tvp5150_read(sd, reg->reg & 0xff);
1167        if (res < 0) {
1168                dev_err(sd->dev, "%s: failed with error = %d\n", __func__, res);
1169                return res;
1170        }
1171
1172        reg->val = res;
1173        reg->size = 1;
1174        return 0;
1175}
1176
1177static int tvp5150_s_register(struct v4l2_subdev *sd, const struct v4l2_dbg_register *reg)
1178{
1179        return tvp5150_write(sd, reg->reg & 0xff, reg->val & 0xff);
1180}
1181#endif
1182
1183static int tvp5150_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt)
1184{
1185        int status = tvp5150_read(sd, 0x88);
1186
1187        vt->signal = ((status & 0x04) && (status & 0x02)) ? 0xffff : 0x0;
1188        return 0;
1189}
1190
1191static int tvp5150_registered(struct v4l2_subdev *sd)
1192{
1193#ifdef CONFIG_MEDIA_CONTROLLER
1194        struct tvp5150 *decoder = to_tvp5150(sd);
1195        int ret = 0;
1196        int i;
1197
1198        for (i = 0; i < TVP5150_INPUT_NUM; i++) {
1199                struct media_entity *input = &decoder->input_ent[i];
1200                struct media_pad *pad = &decoder->input_pad[i];
1201
1202                if (!input->name)
1203                        continue;
1204
1205                decoder->input_pad[i].flags = MEDIA_PAD_FL_SOURCE;
1206
1207                ret = media_entity_pads_init(input, 1, pad);
1208                if (ret < 0)
1209                        return ret;
1210
1211                ret = media_device_register_entity(sd->v4l2_dev->mdev, input);
1212                if (ret < 0)
1213                        return ret;
1214
1215                ret = media_create_pad_link(input, 0, &sd->entity,
1216                                            DEMOD_PAD_IF_INPUT, 0);
1217                if (ret < 0) {
1218                        media_device_unregister_entity(input);
1219                        return ret;
1220                }
1221        }
1222#endif
1223
1224        return 0;
1225}
1226
1227/* ----------------------------------------------------------------------- */
1228
1229static const struct v4l2_ctrl_ops tvp5150_ctrl_ops = {
1230        .s_ctrl = tvp5150_s_ctrl,
1231};
1232
1233static const struct v4l2_subdev_core_ops tvp5150_core_ops = {
1234        .log_status = tvp5150_log_status,
1235        .reset = tvp5150_reset,
1236#ifdef CONFIG_VIDEO_ADV_DEBUG
1237        .g_register = tvp5150_g_register,
1238        .s_register = tvp5150_s_register,
1239#endif
1240};
1241
1242static const struct v4l2_subdev_tuner_ops tvp5150_tuner_ops = {
1243        .g_tuner = tvp5150_g_tuner,
1244};
1245
1246static const struct v4l2_subdev_video_ops tvp5150_video_ops = {
1247        .s_std = tvp5150_s_std,
1248        .s_stream = tvp5150_s_stream,
1249        .s_routing = tvp5150_s_routing,
1250        .g_mbus_config = tvp5150_g_mbus_config,
1251};
1252
1253static const struct v4l2_subdev_vbi_ops tvp5150_vbi_ops = {
1254        .g_sliced_vbi_cap = tvp5150_g_sliced_vbi_cap,
1255        .g_sliced_fmt = tvp5150_g_sliced_fmt,
1256        .s_sliced_fmt = tvp5150_s_sliced_fmt,
1257        .s_raw_fmt = tvp5150_s_raw_fmt,
1258};
1259
1260static const struct v4l2_subdev_pad_ops tvp5150_pad_ops = {
1261        .enum_mbus_code = tvp5150_enum_mbus_code,
1262        .enum_frame_size = tvp5150_enum_frame_size,
1263        .set_fmt = tvp5150_fill_fmt,
1264        .get_fmt = tvp5150_fill_fmt,
1265        .get_selection = tvp5150_get_selection,
1266        .set_selection = tvp5150_set_selection,
1267};
1268
1269static const struct v4l2_subdev_ops tvp5150_ops = {
1270        .core = &tvp5150_core_ops,
1271        .tuner = &tvp5150_tuner_ops,
1272        .video = &tvp5150_video_ops,
1273        .vbi = &tvp5150_vbi_ops,
1274        .pad = &tvp5150_pad_ops,
1275};
1276
1277static const struct v4l2_subdev_internal_ops tvp5150_internal_ops = {
1278        .registered = tvp5150_registered,
1279};
1280
1281
1282/****************************************************************************
1283                        I2C Client & Driver
1284 ****************************************************************************/
1285
1286static int tvp5150_detect_version(struct tvp5150 *core)
1287{
1288        struct v4l2_subdev *sd = &core->sd;
1289        struct i2c_client *c = v4l2_get_subdevdata(sd);
1290        unsigned int i;
1291        u8 regs[4];
1292        int res;
1293
1294        /*
1295         * Read consequent registers - TVP5150_MSB_DEV_ID, TVP5150_LSB_DEV_ID,
1296         * TVP5150_ROM_MAJOR_VER, TVP5150_ROM_MINOR_VER
1297         */
1298        for (i = 0; i < 4; i++) {
1299                res = tvp5150_read(sd, TVP5150_MSB_DEV_ID + i);
1300                if (res < 0)
1301                        return res;
1302                regs[i] = res;
1303        }
1304
1305        core->dev_id = (regs[0] << 8) | regs[1];
1306        core->rom_ver = (regs[2] << 8) | regs[3];
1307
1308        dev_info(sd->dev, "tvp%04x (%u.%u) chip found @ 0x%02x (%s)\n",
1309                  core->dev_id, regs[2], regs[3], c->addr << 1,
1310                  c->adapter->name);
1311
1312        if (core->dev_id == 0x5150 && core->rom_ver == 0x0321) {
1313                dev_info(sd->dev, "tvp5150a detected.\n");
1314        } else if (core->dev_id == 0x5150 && core->rom_ver == 0x0400) {
1315                dev_info(sd->dev, "tvp5150am1 detected.\n");
1316
1317                /* ITU-T BT.656.4 timing */
1318                tvp5150_write(sd, TVP5150_REV_SELECT, 0);
1319        } else if (core->dev_id == 0x5151 && core->rom_ver == 0x0100) {
1320                dev_info(sd->dev, "tvp5151 detected.\n");
1321        } else {
1322                dev_info(sd->dev, "*** unknown tvp%04x chip detected.\n",
1323                          core->dev_id);
1324        }
1325
1326        return 0;
1327}
1328
1329static int tvp5150_init(struct i2c_client *c)
1330{
1331        struct gpio_desc *pdn_gpio;
1332        struct gpio_desc *reset_gpio;
1333
1334        pdn_gpio = devm_gpiod_get_optional(&c->dev, "pdn", GPIOD_OUT_HIGH);
1335        if (IS_ERR(pdn_gpio))
1336                return PTR_ERR(pdn_gpio);
1337
1338        if (pdn_gpio) {
1339                gpiod_set_value_cansleep(pdn_gpio, 0);
1340                /* Delay time between power supplies active and reset */
1341                msleep(20);
1342        }
1343
1344        reset_gpio = devm_gpiod_get_optional(&c->dev, "reset", GPIOD_OUT_HIGH);
1345        if (IS_ERR(reset_gpio))
1346                return PTR_ERR(reset_gpio);
1347
1348        if (reset_gpio) {
1349                /* RESETB pulse duration */
1350                ndelay(500);
1351                gpiod_set_value_cansleep(reset_gpio, 0);
1352                /* Delay time between end of reset to I2C active */
1353                usleep_range(200, 250);
1354        }
1355
1356        return 0;
1357}
1358
1359static int tvp5150_parse_dt(struct tvp5150 *decoder, struct device_node *np)
1360{
1361        struct v4l2_of_endpoint bus_cfg;
1362        struct device_node *ep;
1363#ifdef CONFIG_MEDIA_CONTROLLER
1364        struct device_node *connectors, *child;
1365        struct media_entity *input;
1366        const char *name;
1367        u32 input_type;
1368#endif
1369        unsigned int flags;
1370        int ret = 0;
1371
1372        ep = of_graph_get_next_endpoint(np, NULL);
1373        if (!ep)
1374                return -EINVAL;
1375
1376        ret = v4l2_of_parse_endpoint(ep, &bus_cfg);
1377        if (ret)
1378                goto err;
1379
1380        flags = bus_cfg.bus.parallel.flags;
1381
1382        if (bus_cfg.bus_type == V4L2_MBUS_PARALLEL &&
1383            !(flags & V4L2_MBUS_HSYNC_ACTIVE_HIGH &&
1384              flags & V4L2_MBUS_VSYNC_ACTIVE_HIGH &&
1385              flags & V4L2_MBUS_FIELD_EVEN_LOW)) {
1386                ret = -EINVAL;
1387                goto err;
1388        }
1389
1390        decoder->mbus_type = bus_cfg.bus_type;
1391
1392#ifdef CONFIG_MEDIA_CONTROLLER
1393        connectors = of_get_child_by_name(np, "connectors");
1394
1395        if (!connectors)
1396                goto err;
1397
1398        for_each_available_child_of_node(connectors, child) {
1399                ret = of_property_read_u32(child, "input", &input_type);
1400                if (ret) {
1401                        dev_err(decoder->sd.dev,
1402                                 "missing type property in node %s\n",
1403                                 child->name);
1404                        goto err_connector;
1405                }
1406
1407                if (input_type >= TVP5150_INPUT_NUM) {
1408                        ret = -EINVAL;
1409                        goto err_connector;
1410                }
1411
1412                input = &decoder->input_ent[input_type];
1413
1414                /* Each input connector can only be defined once */
1415                if (input->name) {
1416                        dev_err(decoder->sd.dev,
1417                                 "input %s with same type already exists\n",
1418                                 input->name);
1419                        ret = -EINVAL;
1420                        goto err_connector;
1421                }
1422
1423                switch (input_type) {
1424                case TVP5150_COMPOSITE0:
1425                case TVP5150_COMPOSITE1:
1426                        input->function = MEDIA_ENT_F_CONN_COMPOSITE;
1427                        break;
1428                case TVP5150_SVIDEO:
1429                        input->function = MEDIA_ENT_F_CONN_SVIDEO;
1430                        break;
1431                }
1432
1433                input->flags = MEDIA_ENT_FL_CONNECTOR;
1434
1435                ret = of_property_read_string(child, "label", &name);
1436                if (ret < 0) {
1437                        dev_err(decoder->sd.dev,
1438                                 "missing label property in node %s\n",
1439                                 child->name);
1440                        goto err_connector;
1441                }
1442
1443                input->name = name;
1444        }
1445
1446err_connector:
1447        of_node_put(connectors);
1448#endif
1449err:
1450        of_node_put(ep);
1451        return ret;
1452}
1453
1454static const char * const tvp5150_test_patterns[2] = {
1455        "Disabled",
1456        "Black screen"
1457};
1458
1459static int tvp5150_probe(struct i2c_client *c,
1460                         const struct i2c_device_id *id)
1461{
1462        struct tvp5150 *core;
1463        struct v4l2_subdev *sd;
1464        struct device_node *np = c->dev.of_node;
1465        int res;
1466
1467        /* Check if the adapter supports the needed features */
1468        if (!i2c_check_functionality(c->adapter,
1469             I2C_FUNC_SMBUS_READ_BYTE | I2C_FUNC_SMBUS_WRITE_BYTE_DATA))
1470                return -EIO;
1471
1472        res = tvp5150_init(c);
1473        if (res)
1474                return res;
1475
1476        core = devm_kzalloc(&c->dev, sizeof(*core), GFP_KERNEL);
1477        if (!core)
1478                return -ENOMEM;
1479
1480        sd = &core->sd;
1481
1482        if (IS_ENABLED(CONFIG_OF) && np) {
1483                res = tvp5150_parse_dt(core, np);
1484                if (res) {
1485                        dev_err(sd->dev, "DT parsing error: %d\n", res);
1486                        return res;
1487                }
1488        } else {
1489                /* Default to BT.656 embedded sync */
1490                core->mbus_type = V4L2_MBUS_BT656;
1491        }
1492
1493        v4l2_i2c_subdev_init(sd, c, &tvp5150_ops);
1494        sd->internal_ops = &tvp5150_internal_ops;
1495        sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
1496
1497#if defined(CONFIG_MEDIA_CONTROLLER)
1498        core->pads[DEMOD_PAD_IF_INPUT].flags = MEDIA_PAD_FL_SINK;
1499        core->pads[DEMOD_PAD_VID_OUT].flags = MEDIA_PAD_FL_SOURCE;
1500        core->pads[DEMOD_PAD_VBI_OUT].flags = MEDIA_PAD_FL_SOURCE;
1501
1502        sd->entity.function = MEDIA_ENT_F_ATV_DECODER;
1503
1504        res = media_entity_pads_init(&sd->entity, DEMOD_NUM_PADS, core->pads);
1505        if (res < 0)
1506                return res;
1507
1508        sd->entity.ops = &tvp5150_sd_media_ops;
1509#endif
1510
1511        res = tvp5150_detect_version(core);
1512        if (res < 0)
1513                return res;
1514
1515        core->norm = V4L2_STD_ALL;      /* Default is autodetect */
1516        core->input = TVP5150_COMPOSITE1;
1517        core->enable = true;
1518
1519        v4l2_ctrl_handler_init(&core->hdl, 5);
1520        v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
1521                        V4L2_CID_BRIGHTNESS, 0, 255, 1, 128);
1522        v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
1523                        V4L2_CID_CONTRAST, 0, 255, 1, 128);
1524        v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
1525                        V4L2_CID_SATURATION, 0, 255, 1, 128);
1526        v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
1527                        V4L2_CID_HUE, -128, 127, 1, 0);
1528        v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
1529                        V4L2_CID_PIXEL_RATE, 27000000,
1530                        27000000, 1, 27000000);
1531        v4l2_ctrl_new_std_menu_items(&core->hdl, &tvp5150_ctrl_ops,
1532                                     V4L2_CID_TEST_PATTERN,
1533                                     ARRAY_SIZE(tvp5150_test_patterns),
1534                                     0, 0, tvp5150_test_patterns);
1535        sd->ctrl_handler = &core->hdl;
1536        if (core->hdl.error) {
1537                res = core->hdl.error;
1538                goto err;
1539        }
1540
1541        /* Default is no cropping */
1542        core->rect.top = 0;
1543        if (tvp5150_read_std(sd) & V4L2_STD_525_60)
1544                core->rect.height = TVP5150_V_MAX_525_60;
1545        else
1546                core->rect.height = TVP5150_V_MAX_OTHERS;
1547        core->rect.left = 0;
1548        core->rect.width = TVP5150_H_MAX;
1549
1550        tvp5150_reset(sd, 0);   /* Calls v4l2_ctrl_handler_setup() */
1551
1552        res = v4l2_async_register_subdev(sd);
1553        if (res < 0)
1554                goto err;
1555
1556        if (debug > 1)
1557                tvp5150_log_status(sd);
1558        return 0;
1559
1560err:
1561        v4l2_ctrl_handler_free(&core->hdl);
1562        return res;
1563}
1564
1565static int tvp5150_remove(struct i2c_client *c)
1566{
1567        struct v4l2_subdev *sd = i2c_get_clientdata(c);
1568        struct tvp5150 *decoder = to_tvp5150(sd);
1569
1570        dev_dbg_lvl(sd->dev, 1, debug,
1571                "tvp5150.c: removing tvp5150 adapter on address 0x%x\n",
1572                c->addr << 1);
1573
1574        v4l2_async_unregister_subdev(sd);
1575        v4l2_ctrl_handler_free(&decoder->hdl);
1576        return 0;
1577}
1578
1579/* ----------------------------------------------------------------------- */
1580
1581static const struct i2c_device_id tvp5150_id[] = {
1582        { "tvp5150", 0 },
1583        { }
1584};
1585MODULE_DEVICE_TABLE(i2c, tvp5150_id);
1586
1587#if IS_ENABLED(CONFIG_OF)
1588static const struct of_device_id tvp5150_of_match[] = {
1589        { .compatible = "ti,tvp5150", },
1590        { /* sentinel */ },
1591};
1592MODULE_DEVICE_TABLE(of, tvp5150_of_match);
1593#endif
1594
1595static struct i2c_driver tvp5150_driver = {
1596        .driver = {
1597                .of_match_table = of_match_ptr(tvp5150_of_match),
1598                .name   = "tvp5150",
1599        },
1600        .probe          = tvp5150_probe,
1601        .remove         = tvp5150_remove,
1602        .id_table       = tvp5150_id,
1603};
1604
1605module_i2c_driver(tvp5150_driver);
1606